Hi Guido, thank you for your help and reply! Somehow I missed that option when searching for that at www.squid-cache.org. I was looking for options with "DNS" in the name :-) Regards, Martin Guido Serassio <guido.serassio@xxxxxxxxxxxxxxxxx> wrote on 15.04.2009 13:04:33: > Hi, > > At 09.01 15/04/2009, Martin.Pichlmaier@xxxxxxxxxxxxxxxxxxxxxxxxxxx wrote: > >Hello all, > > > >some of my users complain that a page (www.bestjobs.ro) with cookies and > >some other stuff hangs sometimes, > >returns "Connection reset by peer" and so on. > >Some problems can be resolved by reloading the page, some can not. > >The pages that make problems are not the normal ones but after logging in > >and using some of the > >"more advanced features" of the web server regarding commenting to some of > >the information there. > >If the users access the web server without squid -- directly connected to > >the internet -- it all works. > > > >It seems to me that the problems have something to do with DNS; > >www.bestjobs.ro returns not > >one but 5 IPv4 addresses. > >With Windows XP and no proxy the browser always uses only one IP; > >squid -- I use version 3.0-STABLE 11 on RedHat AS 5 -- uses all 5 IPs in a > >round-robin fashion. > >The web servers do not serve static but dynamic pages and therefore I > >think the requests _should_ > >always go to the same IP address. But the load balancing probably makes > >the problems. > > > >I am fully aware that the problem is not the fault of squid but of the DNS > >loadbalancing of the web servers. > >Nevertheless I have to provide a solution... > > > >Is there a parameter within squid to change the behaviour of DNS load > >balancing when there > >is more than one IP in a DNS response? > >I do not want to disable load balancing but put a "on hold" parameter so > >that squid uses the > >same IP maybe a minute and then switches to the next IP and uses that for > >the next one minute > >and not a different IP for every request. > >Even better would be a source address affinity -- for one client all > >requests go to IP 1 of the pool, > >the next client is routed over squid to IP 2 and so on. > > > >Is there a solution to that? > > Sure, try: > http://www.squid-cache.org/Versions/v3/3.0/cfgman/balance_on_multiple_ip.html > > Regards > > Guido > > > > - > ======================================================== > Guido Serassio > Acme Consulting S.r.l. - Microsoft Certified Partner > Via Lucia Savarino, 1 10098 - Rivoli (TO) - ITALY > Tel. : +39.011.9530135 Fax. : +39.011.9781115 > Email: guido.serassio@xxxxxxxxxxxxxxxxx > WWW: http://www.acmeconsulting.it/ >
